<template>
        <view class="goods-item">
          <!-- 商品左侧图片区域 -->
          <view class="goods-item-left">
            <radio color="#C00000" v-if="showRadio" :checked="goods.goods_state" @click="radioClickHandler"></radio>
            <image class="goods-pic" :src="goods.goods_small_logo || defaultPic"></image>
          </view>
          <!-- 商品右侧信息区域 -->
          <view class="goods-item-right">
            <!-- 商品标题 -->
            <view class="goods-name">{{goods.goods_name}}</view>
            <view class="goods-info-box">
              <!-- 商品价格 -->
              <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
              <uni-number-box v-if="showNum" :min="1" :value="goods.goods_count" @change="numChangeHandler"></uni-number-box>
            </view>
          </view>
        </view>
</template>

<script>
  export default {
    name:"my-goods",
    // 组件属性
    props:{
      // 商品信息
      goods: {
        type: Object,
        default: {}
      },
      // 是否展示图片左侧的 radio
      showRadio: {
        type: Boolean,
        // 如果外界没有指定 show-radio 属性的值，则默认不展示 radio 组件
        default: false,
      },
      // 是否显示商品数量
      showNum: {
        type: Boolean,
        default: false
      },
      
    },
    data() {
      return {
        // 默认的空图片
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
      };
    },
    filters:{
      // 把价格处理为带两位小数点的数字
      tofixed(num){
        return Number(num).toFixed(2)
      }
    },
    methods:{
      // 商品勾选状态发生变化
      radioClickHandler(){
        this.$emit('radio-change', {
          goods_id: this.goods.goods_id,
          goods_state: !this.goods.goods_state
        })
      },
      // 用户修改商品数量
      numChangeHandler(val){
        this.$emit('num-change', {
          goods_id: this.goods.goods_id,
          goods_count: +val, // parseInt(val)
        })
      },
    }
    
    
  }
</script>

<style lang="scss">
.goods-item {
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;
  .goods-item-left {
    margin-right: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }
  .goods-item-right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    .goods-name {
      font-size: 13px;
    }
    .goods-info-box{
      display: flex;
      align-items: center;
      justify-content: space-between;
      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }

  }
}
</style>
